code: def checkhostname(host):
      import socket
  
      return socket.gethostname() == host
  
file_path: ipyparallel/docs/source/examples/dependencies.py
imports: import ipyparallel
  from ipyparallel import Dependency
label_desc: Use image node_id 3 for calling a global function with example usage: checkhostname(host) and returns: unknown